In a realm overshadowed by injustice, the Holy Knights of Britannia stand as guardians, wielding unmatched magical prowess. Their prime targets? 'The Seven Deadly Sins' – a once revered band of warriors turned fugitives accused of plotting against the Kingdom of Liones. Despite their defeat by the Holy Knights, whispers persist of their survival. A decade later, the Holy Knights betray their own cause and seize the Liones monarch, seizing power for themselves. Princess Elizabeth Liones embarks on a quest to locate the Seven Deadly Sins and seek their aid. Her journey leads her to a quaint bar owned by Meliodas, the Dragon's Sin of Wrath and former leader of the outlawed knights. Together, they venture forth in search of Meliodas' former companions, bracing for a future veiled in uncertainty. Will their path be illuminated by hope or shrouded in despair?